diff --git a/app/components/Auth/LoginForm.vue b/app/components/Auth/LoginForm.vue
index 63472c8..4ec8d57 100644
--- a/app/components/Auth/LoginForm.vue
+++ b/app/components/Auth/LoginForm.vue
@@ -74,6 +74,11 @@
             </svg>
           </button>
         </div>
+        <div class="forgot-password-row">
+          <NuxtLink to="/forgot-password" class="forgot-password-link">
+            忘记密码？
+          </NuxtLink>
+        </div>
       </div>
 
       <div v-if="error" class="error-container">
@@ -556,6 +561,25 @@ const handleWebAuthnLogin = async () => {
   height: 20px;
 }
 
+.forgot-password-row {
+  display: flex;
+  justify-content: flex-end;
+  margin-top: 10px;
+}
+
+.forgot-password-link {
+  font-size: 13px;
+  color: var(--primary);
+  text-decoration: none;
+  font-weight: var(--font-medium);
+  transition: opacity 0.2s ease;
+}
+
+.forgot-password-link:hover {
+  opacity: 0.8;
+  text-decoration: underline;
+}
+
 .form-footer {
   margin-top: 24px;
   text-align: center;
diff --git a/app/components/SiteFooter.vue b/app/components/SiteFooter.vue
index 0b3adc7..8036a69 100644
--- a/app/components/SiteFooter.vue
+++ b/app/components/SiteFooter.vue
@@ -23,11 +23,16 @@
       </span>
       <span v-if="siteTitle" class="footer-item">© {{ currentYear }} {{ siteTitle }}</span>
       <span v-else class="footer-item">© {{ currentYear }} {{ copyrightOwner }}</span>
-      <span class="footer-item">Worker in {{ responseTime }}ms</span>
+      <span class="footer-item">响应耗时 {{ responseTime }}ms</span>
       <span class="footer-item">
-        <NuxtLink class="voicehub-link" to="/changelog">
+        <a
+          class="voicehub-link"
+          href="https://github.com/laoshuikaixue/VoiceHub"
+          target="_blank"
+          rel="noopener noreferrer"
+        >
           {{ displayName }} v{{ systemVersion }}
-        </NuxtLink>
+        </a>
       </span>
       <span v-if="isNetlify" class="footer-item">
         <a
diff --git a/app/pages/forgot-password.vue b/app/pages/forgot-password.vue
new file mode 100644
index 0000000..62e6ee5
--- /dev/null
+++ b/app/pages/forgot-password.vue
@@ -0,0 +1,269 @@
+<template>
+  <div class="auth-layout">
+    <div class="auth-container">
+      <div class="form-section">
+        <div class="form-header">
+          <div class="logo-row">
+            <img
+              :src="brandLogoSrc"
+              alt="Brand Logo"
+              class="brand-logo-center"
+              width="96"
+              height="96"
+              decoding="async"
+              fetchpriority="high"
+            >
+            <div v-if="schoolLogoHomeUrl && schoolLogoHomeUrl.trim()" class="logo-divider" />
+            <img
+              v-if="schoolLogoHomeUrl && schoolLogoHomeUrl.trim()"
+              :src="schoolLogoHomeUrl"
+              alt="学校Logo"
+              class="school-logo"
+              width="160"
+              height="160"
+              decoding="async"
+              fetchpriority="high"
+            >
+          </div>
+          <h1 class="form-title">{{ siteTitle ? siteTitle + ' | VoiceHub' : 'VoiceHub' }}</h1>
+          <div class="header-divider" />
+        </div>
+        <div class="forgot-password-form">
+          <div class="page-intro">
+            <h2 class="page-heading">找回密码</h2>
+            <p class="page-subtitle">请联系管理员重置您的账号密码</p>
+          </div>
+
+          <div class="contact-card">
+            <div class="contact-card-icon">
+              <svg fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24">
+                <path d="M3 8l7.89 5.26a2 2 0 002.22 0L21 8M5 19h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z" />
+              </svg>
+            </div>
+            <div class="contact-card-body">
+              <h3>联系管理员</h3>
+              <p>为保障账号安全，系统暂未开放自助密码找回。请通过以下方式联系管理员进行密码重置：</p>
+              <ul class="contact-tips">
+                <li>站内联系：登录有管理员权限的账号</li>
+                <li>线下联系：前往广播站办公室或指导老师</li>
+                <li>邮件联系：如有公开的管理员邮箱</li>
+              </ul>
+            </div>
+          </div>
+
+          <div class="form-actions">
+            <NuxtLink to="/login" class="back-to-login-btn">
+              返回登录
+            </NuxtLink>
+          </div>
+        </div>
+      </div>
+    </div>
+    <SiteFooter />
+  </div>
+</template>
+
+<script setup>
+import { onMounted, computed } from 'vue'
+import logo from '~~/public/images/logo.png'
+
+const { siteTitle, initSiteConfig, schoolLogoHomeUrl } = useSiteConfig()
+const brandLogoSrc = computed(() => {
+  return logo
+})
+
+onMounted(async () => {
+  await initSiteConfig()
+  if (typeof document !== 'undefined' && siteTitle.value) {
+    document.title = `找回密码 | ${siteTitle.value}`
+  }
+})
+</script>
+
+<style scoped>
+.auth-layout {
+  min-height: 100vh;
+  background: var(--bg-primary);
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: flex-start;
+  padding: 20px;
+}
+
+.auth-container {
+  width: 100%;
+  max-width: 520px;
+  background: var(--bg-secondary);
+  border-radius: var(--radius-2xl);
+  border: 1px solid var(--border-primary);
+  box-shadow: var(--shadow-lg);
+  overflow: hidden;
+  margin: auto 0;
+  margin-bottom: 40px;
+}
+
+.form-section {
+  padding: 40px 32px;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  background: var(--bg-secondary);
+}
+
+.form-header {
+  text-align: center;
+  margin-bottom: 24px;
+  width: 100%;
+}
+
+.logo-row {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  gap: 24px;
+  margin-bottom: 12px;
+}
+
+.logo-divider {
+  width: 1px;
+  height: 96px;
+  background: var(--border-secondary);
+}
+
+.brand-logo-center {
+  width: 96px;
+  height: 96px;
+  object-fit: contain;
+  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.15));
+}
+
+.school-logo {
+  width: 160px;
+  height: 160px;
+  object-fit: contain;
+  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.15));
+}
+
+.form-title {
+  font-size: 24px;
+  font-weight: var(--font-bold);
+  margin: 0;
+  color: var(--text-primary);
+}
+
+.header-divider {
+  height: 1px;
+  background: var(--border-secondary);
+  margin: 14px auto 0;
+  width: 100%;
+}
+
+.forgot-password-form {
+  width: 100%;
+  max-width: 400px;
+}
+
+.page-intro {
+  text-align: center;
+  margin-bottom: 28px;
+}
+
+.page-heading {
+  font-size: 28px;
+  font-weight: var(--font-bold);
+  color: var(--text-primary);
+  margin: 0 0 8px 0;
+}
+
+.page-subtitle {
+  font-size: 14px;
+  color: var(--text-tertiary);
+  margin: 0;
+}
+
+.contact-card {
+  display: flex;
+  gap: 16px;
+  padding: 24px;
+  background: var(--bg-tertiary);
+  border: 1px solid var(--border-secondary);
+  border-radius: var(--radius-lg);
+  margin-bottom: 28px;
+}
+
+.contact-card-icon {
+  width: 40px;
+  height: 40px;
+  border-radius: 12px;
+  background: rgba(59, 130, 246, 0.12);
+  color: var(--primary);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  flex-shrink: 0;
+}
+
+.contact-card-icon svg {
+  width: 20px;
+  height: 20px;
+}
+
+.contact-card-body h3 {
+  font-size: 16px;
+  font-weight: var(--font-semibold);
+  color: var(--text-primary);
+  margin: 0 0 8px 0;
+}
+
+.contact-card-body p {
+  font-size: 14px;
+  color: var(--text-secondary);
+  margin: 0 0 12px 0;
+  line-height: 1.6;
+}
+
+.contact-tips {
+  margin: 0;
+  padding-left: 18px;
+  color: var(--text-secondary);
+  font-size: 13px;
+  line-height: 1.9;
+}
+
+.form-actions {
+  display: flex;
+  flex-direction: column;
+  gap: 12px;
+}
+
+.back-to-login-btn {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  width: 100%;
+  padding: 14px;
+  background: var(--btn-primary-bg);
+  color: var(--btn-primary-text);
+  border: 1px solid var(--btn-primary-border);
+  border-radius: var(--radius-lg);
+  font-size: 16px;
+  font-weight: var(--font-semibold);
+  text-decoration: none;
+  transition: all 0.2s ease;
+}
+
+.back-to-login-btn:hover {
+  background: var(--btn-primary-hover);
+  transform: translateY(-1px);
+  box-shadow: var(--shadow-md);
+}
+
+@media (max-width: 768px) {
+  .auth-layout { padding: 10px; }
+  .auth-container { border-radius: 16px; }
+  .form-section { padding: 30px 20px; }
+  .contact-card { padding: 18px; gap: 12px; }
+}
+</style>
diff --git a/app/pages/index.vue b/app/pages/index.vue
index df5d8a9..2a31f7e 100644
--- a/app/pages/index.vue
+++ b/app/pages/index.vue
@@ -33,6 +33,30 @@
         <!-- 用户信息区域 -->
         <div class="user-section">
           <ClientOnly>
+            <!-- 主题切换按钮 -->
+            <button
+              class="utility-btn theme-toggle-btn"
+              type="button"
+              aria-label="主题"
+              title="切换主题"
+              @click="handleToggleTheme"
+            >
+              <Icon :name="isDark ? 'sun' : 'moon'" :size="18" />
+              <span class="utility-btn-label">主题</span>
+            </button>
+
+            <!-- 语言切换按钮（占位按钮，当前单语种） -->
+            <button
+              class="utility-btn lang-toggle-btn"
+              type="button"
+              aria-label="语言"
+              title="语言"
+              @click="handleLanguageClick"
+            >
+              <Icon name="globe" :size="18" />
+              <span class="utility-btn-label">语言</span>
+            </button>
+
             <div v-if="isClientAuthenticated" class="user-info">
               <div class="user-details-desktop">
                 <span class="user-name">{{ user?.name || '用户' }}</span>
@@ -674,12 +698,24 @@ import ConfirmDialog from '~/components/UI/ConfirmDialog.vue'
 
 import { useNotifications } from '~/composables/useNotifications'
 import { useSiteConfig } from '~/composables/useSiteConfig'
+import { useTheme } from '~/composables/useTheme'
 import CustomSelect from '~/components/UI/Common/CustomSelect.vue'
 
 // 获取运行时配置
 const config = useRuntimeConfig()
 const router = useRouter()
 
+// 主题
+const { isDark, toggleTheme } = useTheme()
+const handleToggleTheme = () => {
+  toggleTheme()
+}
+const handleLanguageClick = () => {
+  if (typeof window !== 'undefined' && window.$showNotification) {
+    window.$showNotification('当前版本暂不支持多语言切换', 'info')
+  }
+}
+
 // 站点配置
 const {
   siteTitle,
@@ -1709,6 +1745,55 @@ if (
 .user-section {
   position: relative;
   z-index: 100;
+  display: flex;
+  align-items: center;
+  gap: 10px;
+}
+
+/* 通用工具按钮（主题/语言） */
+.utility-btn {
+  display: inline-flex;
+  align-items: center;
+  gap: 6px;
+  padding: 7px 12px;
+  background: var(--utility-btn-bg, rgba(255, 255, 255, 0.06));
+  color: var(--utility-btn-color, rgba(255, 255, 255, 0.78));
+  border: 1px solid var(--utility-btn-border, rgba(255, 255, 255, 0.12));
+  border-radius: 10px;
+  font-size: 13px;
+  font-weight: 500;
+  line-height: 1;
+  cursor: pointer;
+  transition:
+    background 0.2s ease,
+    color 0.2s ease,
+    border-color 0.2s ease,
+    transform 0.15s ease;
+  backdrop-filter: blur(6px);
+}
+
+.utility-btn:hover {
+  background: var(--utility-btn-hover-bg, rgba(255, 255, 255, 0.12));
+  color: var(--utility-btn-hover-color, #ffffff);
+  border-color: var(--utility-btn-hover-border, rgba(255, 255, 255, 0.22));
+}
+
+.utility-btn:active {
+  transform: scale(0.97);
+}
+
+.utility-btn-label {
+  white-space: nowrap;
+}
+
+@media (max-width: 768px) {
+  .utility-btn-label {
+    display: none;
+  }
+  .utility-btn {
+    padding: 7px 8px;
+    border-radius: 9px;
+  }
 }
 
 .user-info {
diff --git a/nuxt.config.ts b/nuxt.config.ts
index d68f3fc..6964a0d 100644
--- a/nuxt.config.ts
+++ b/nuxt.config.ts
@@ -192,7 +192,11 @@ export default defineNuxtConfig({
         { name: 'theme-color', content: '#111111' },
         {
           name: 'x-default-theme',
-          content: process.env.NUXT_PUBLIC_DEFAULT_THEME || 'System'
+          content: process.env.NUXT_PUBLIC_DEFAULT_THEME || 'ClassicLight'
+        },
+        {
+          name: 'x-enabled-themes',
+          content: process.env.NUXT_PUBLIC_ENABLED_THEMES || 'ClassicLight,ModernLight'
         },
         { name: 'apple-mobile-web-app-capable', content: 'yes' },
         { name: 'apple-mobile-web-app-status-bar-style', content: 'black-translucent' },
@@ -206,18 +210,28 @@ export default defineNuxtConfig({
           tagPosition: 'head',
           children: [
             `(function(){try{`,
-            `  var k='voicehub:theme', d=document, r=d.documentElement, s=null, eff=null;`,
-            `  try{s=localStorage.getItem(k)}catch(e){s=null}`,
-            `  if(!s){`,
-            `    try{`,
-            `      var meta=document.querySelector('meta[name="x-default-theme"]');`,
-            `      if(meta && meta.content){s=meta.content}`,
-            `    }catch(e){s=null}`,
-            `    if(!s){s='System'}`,
+            `  var k='voicehub:theme', d=document, r=d.documentElement, s=null, eff=null, def=null, list=[];`,
+            `  try{`,
+            `    var mt=d.querySelector('meta[name="x-enabled-themes"]');`,
+            `    if(mt && mt.content){list=String(mt.content).split(',').map(function(x){return x.replace(/^\\s+|\\s+$/g,'')}).filter(Boolean)}`,
+            `  }catch(e){list=[]}`,
+            `  try{`,
+            `    var md=d.querySelector('meta[name="x-default-theme"]');`,
+            `    if(md && md.content){def=md.content}`,
+            `  }catch(e){def=null}`,
+            `  if(!def){def='ClassicLight'}`,
+            `  if(list.length===0){list=['ClassicLight','ModernLight']}`,
+            `  function valid(t){`,
+            `    if(list.indexOf(t)!==-1){return t}`,
+            `    if(list.indexOf(def)!==-1){return def}`,
+            `    return list[0]`,
             `  }`,
-            `  if(s==='System'||s==='system'){eff=window.matchMedia('(prefers-color-scheme: dark)').matches?'dark':'light'}`,
+            `  try{s=localStorage.getItem(k)}catch(e){s=null}`,
+            `  if(!s){s=def}`,
+            `  else{s=valid(s)}`,
+            `  if(typeof s==='string' && (s==='System'||s==='system')){eff=window.matchMedia('(prefers-color-scheme: dark)').matches?'dark':'light'}`,
             `  else if(typeof s==='string'){eff=s.endsWith('Dark')||s==='dark'?'dark':(s.endsWith('Light')||s==='light'?'light':s)}`,
-            `  else{eff='dark'}`,
+            `  else{eff='light'}`,
             `  r.setAttribute('data-theme', (typeof s==='string'?s:eff));`,
             `  if(eff==='dark'){r.classList.add('dark'); r.classList.remove('light'); r.style.colorScheme='dark'}`,
             `  else if(eff==='light'){r.classList.add('light'); r.classList.remove('dark'); r.style.colorScheme='light'}`,
diff --git a/server/api/site-config.get.ts b/server/api/site-config.get.ts
index 0b427a6..0ad6af9 100644
--- a/server/api/site-config.get.ts
+++ b/server/api/site-config.get.ts
@@ -77,7 +77,8 @@ export default defineEventHandler(async (event) => {
           siteDescription: '校园广播站点歌系统 - 让你的声音被听见',
           siteVersion: process.env.NUXT_PUBLIC_SITE_VERSION || null,
           submissionGuidelines: '请遵守校园规定，提交健康向上的歌曲。',
-          icpNumber: null,
+          icpNumber: '粤ICP备2025450093号',
+          gonganNumber: null,
           enableSubmissionLimit: false,
           dailySubmissionLimit: null,
           weeklySubmissionLimit: null,
diff --git a/server/utils/system-settings-defaults.ts b/server/utils/system-settings-defaults.ts
index 2627dca..73e2251 100644
--- a/server/utils/system-settings-defaults.ts
+++ b/server/utils/system-settings-defaults.ts
@@ -1,6 +1,8 @@
 export const SYSTEM_SETTINGS_DEFAULTS = {
   siteTitle: '校园广播站点歌系统',
   siteVersion: '1.7.1.0',
+  icpNumber: '粤ICP备2025450093号',
+  gonganNumber: '',
   enableSubmissionLimit: false,
   showBlacklistKeywords: false,
   hideStudentInfo: true,